Vulnerability Report

CVE-2025-55173

Title: Vercel Next.Js Improper Input Validation

Input Validation Error

Proof Of Concept

No public PoC currently indexed for CVE-2025-55173.

CWE Category CWE-20
Published Date Aug 29, 2025
Modified Date Sep 08, 2025
Exploit Status Not Found
Score 4.3 CVSS v3.1
Exploit Probability (EPSS)
0.69%

Vulnerability Summary

CVE-2025-55173: Next.js is a React framework for building full-stack web applications. In versions before 14.2.31 and from 15.0.0 to before 15.4.5, Next.js Image Optimization is vulnerable to content injection. The issue allowed attacker-controlled external image sources to trigger file downloads with arbitrary content and filenames under specific configurations. This behavior could be abused for phishing or malicious file delivery. This vulnerability has been fixed in Next.js versions 14.2.31 and 15.4.5.

Impacted Vendors

Z
zeit 1
V
vercel 1
K
kanopi 1

Reference Links

https://github.com/vercel/next.js/commit/6b12c60c61ee80cb0443ccd20de82ca9b4422ddd https://github.com/vercel/next.js/security/advisories/GHSA-xv57-4mr9-wg8v https://vercel.com/changelog/cve-2025-55173
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
4.3
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2025-55173 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

MODIFIED

Vulnerability data updated via NVD.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Affected Stack

No specific products linked.